Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913639 | Display for indicating the depletion of cleaning agents or auxiliary cleaning agents | Arno Duffels, Arnd Kessler | 2011-03-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913639 | Display for indicating the depletion of cleaning agents or auxiliary cleaning agents | Arno Duffels, Arnd Kessler | 2011-03-29 |